"The belly; that part of the body of a mammal which lies between the thorax and the pelvis; In <em>entomology</em>, the hind body, the posterior one of the three parts of a perfect insect, united with the thorax by a slender connecting portion, and containing the greater part of the digesting apparatus."-Wright, 1902

Abdomen

"The belly; that part of the body of a mammal which lies between the thorax and the pelvis; In entomology,…